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 Post subject: How to detect Windows hibernation mode?
PostPosted: Sat May 11, 2019 1:39 pm 
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WM_QUERYENDSESSION detects the end of the session, but is it possible to detect the Windows hibernation ?

The reason: I would like to be able to stop the web radio and/or MP3 play of my programs when the user clicks on Hibernation mode (Hibernation mode launch by Windows or by command: rundll32.exe powrprof.dll,SetSuspendState 1,0,1) Otherwise, the music will immediately resume from deep sleep.

:wink:

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Last edited by Marc56us on Sun Mar 08, 2020 10:04 am, edited 2 times in total.

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 Post subject: Re: How to detect Windows hibernation mode?
PostPosted: Sat May 11, 2019 1:48 pm 
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Location: Gernsbach (Germany)
Code:
EnableExplicit

Procedure WinCallback(hWnd, uMsg, wParam, lParam)
 
  Select uMsg
    Case #WM_POWERBROADCAST
      Select wParam
        Case #PBT_APMSUSPEND
          Debug "PC now goes into hibernation."
         
      EndSelect
  EndSelect
 
  ProcedureReturn #PB_ProcessPureBasicEvents
EndProcedure

If OpenWindow(0, 0, 0, 500, 400, "Window", #PB_Window_SystemMenu | #PB_Window_ScreenCentered)
 
  SetWindowCallback(@WinCallback())
 
  Repeat
    Select WaitWindowEvent()
      Case #PB_Event_CloseWindow
        End
    EndSelect
  ForEver
EndIf

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 Post subject: Re: How to detect Windows hibernation mode?
PostPosted: Sat May 11, 2019 2:05 pm 
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Thank you RSBasic, it works perfectly now 8)

:idea: A subsidiary question: Is there a way to interrupt (or pause some seconds) the start of this sleep mode while something is displayed?
:?: Maybe cancel the standby request completely, continue the program, then launch the software standby?
But I don't think Windows allows software to interrupt a stop command (as you can do under unix with shutdown)

(Put in extended sleep mode by command, I know how to do it with runprogram and rundll32.exe powrprof.dll,SetSuspendState 1,0,1)

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 Post subject: Re: How to detect Windows hibernation mode?
PostPosted: Sat May 11, 2019 2:23 pm 
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In the past you could return #PWR_FAIL to abort the suspend, do stuff and later init suspend again. But it might not work with #WM_POWERBROADCAST anymore.

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